Base | Representation |
---|---|
bin | 100111100101… |
… | …0111010011010 |
3 | 1110001102020102 |
4 | 1033022322122 |
5 | 20303112244 |
6 | 2020455402 |
7 | 341256335 |
oct | 117127232 |
9 | 43042212 |
10 | 20754074 |
11 | 10795930 |
12 | 6b4a562 |
13 | 43b8723 |
14 | 2a8361c |
15 | 1c4e54e |
hex | 13cae9a |
20754074 has 8 divisors (see below), whose sum is σ = 33961248. Its totient is φ = 9433660.
The previous prime is 20754047. The next prime is 20754089. The reversal of 20754074 is 47045702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471662 + ... + 471705.
It is an arithmetic number, because the mean of its divisors is an integer number (4245156).
Almost surely, 220754074 is an apocalyptic number.
20754074 is a deficient number, since it is larger than the sum of its proper divisors (13207174).
20754074 is a wasteful number, since it uses less digits than its factorization.
20754074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 943380.
The product of its (nonzero) digits is 7840, while the sum is 29.
The square root of 20754074 is about 4555.6639472200. The cubic root of 20754074 is about 274.8112158862.
Adding to 20754074 its reverse (47045702), we get a palindrome (67799776).
The spelling of 20754074 in words is "twenty million, seven hundred fifty-four thousand, seventy-four".
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